@inproceedings{Schneider1989,
  author    = {Schneider, Wolfgang},
  title     = {Problems of longitudinal studies with young children: Practical, conceptual, and methodological issues},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-86521},
  year      = {1989},
  abstract  = {No abstract available.},
  subject      = {L{\"a}ngsschnittuntersuchung},
  language  = {en}
}